| 塔河油田原油中金刚烷化合物绝对定量分析 |
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| 引用本文： | 马安来,金之钧,朱翠山,彭守涛,张卫彪.塔河油田原油中金刚烷化合物绝对定量分析[J].石油学报,2009,30(2):214-218. |
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| 作者姓名： | 马安来 金之钧 朱翠山 彭守涛 张卫彪 |
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| 作者单位： | 1. 中国石油化工股份有限公司石油勘探开发研究院, 北京, 100083;
2. 长江大学, 湖北荆州, 434023 |
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| 基金项目： | 国家重点基础研究发展规划(973计划)，中国石油化工集团公司科技项目 |
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| 摘 要： | 原油中甲基双金刚烷绝对含量是确定原油裂解程度的指标。运用全油色质方法,避免了样品处理中轻质组分的挥发损失,实现了原油中金刚烷化合物的准确绝对定量。使用D16-单金刚烷为内标,确定双金刚烷、D3-1甲基双金刚烷和D6-1,3-二甲基单金刚烷的响应因子分别为1.91、2.20和0.99。塔里木盆地塔河油田原油中4-甲基双金刚烷+3-甲基双金刚烷绝对含量一般分布在(4~35)×10-6,表明原油裂解程度较低,大于6 500m的深层可能仍具有石油勘探前景。
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| 关 键 词： | 塔河油田 金刚烷化合物 单金刚烷 双金刚烷 原油裂解 绝对定量 定量分析 |
| 收稿时间： | 2008-8-6 |
| 修稿时间： | 2008-11-22
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Quantitative analysis on absolute concentration of diamondoids in oils from Tahe Oilfield |
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| MA Anlai,JIN Zhijun,ZHU Cuishan,PENG Shoutao,ZHANG Weibiao.Quantitative analysis on absolute concentration of diamondoids in oils from Tahe Oilfield[J].Acta Petrolei Sinica,2009,30(2):214-218. |
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| Authors: | MA Anlai JIN Zhijun ZHU Cuishan PENG Shoutao ZHANG Weibiao |
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| Affiliation: | 1. Sinopec Petroleum Exploration and Production Institute, Beijing 100083, China;
2. Yangtze University, Jingzhou 434023, China |
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| Abstract: | The absolute concentration of methyldiamantane is an indicator for determining cracking degree of oils. The diamondoids are often lost due to evaporation during oil samples processing. The whole-oil GC-MS analysis can be used to determine the absolute concentration of diamondoids accurately. The response factors of diamantane, D3-1-methyldiamantane and D6-1，3-dimethyladamantane are 1.91, 2.20 and 0.99, respectively, taking D16-adamantane as an internal standard. The quantitative analysis of oils from Tahe Oilfield of Tarim Basin shows that the concentrations of 4-methyldiamantane +3-methyldiamantane in most oils range from 4×10-6 to 35×10-6, which indicates that the cracking degree of oils in this oilfield is low. There would have a prospect for petroleum exploration in the strata deeper than 6500m. |
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| Keywords: | Tahe Oilfield diamondoid compound adamantane diamantane oil cracking absolute concentration quantitative analysis |
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